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Influence of two-body abrasion and heat intensity on metal and non-metal materials used in agriculture
abrasive wear composite systems epoxy resin
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2015/5/18
In the agro-complex, as well as in other sectors, the use of polymeric materials is one possible way forward in the innovation and development of machines and their parts. However, machine products pl...
含沙水流中翼型空蚀磨损试验(Experiment on Damage of Cavitation and Silt Abrasion for Hydrofoil in Silt-laden Water Flow)
翼型 含沙水流 空蚀 磨损
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2010/12/29
模拟水力机械内部流动环境,在收缩-扩散型试验段中对翼型进行了空蚀、磨损及两者联合作用破坏试验,观测表面破坏微观形貌并测量破坏深度分布规律。空蚀形貌呈较为规则的近圆独立蚀坑,其分布较为随机。根据颗粒对表面作用的不同,磨损形貌表现为冲击、铲削、犁耕及切削等类型。在较高固相质量浓度下,联合作用破坏形貌大多在极端的角度(90°或0°)以颗粒磨损形式出现,其尺度特征在翼型表面随位置后移远大于磨损形貌,宏观破...